One of the two identical conducting wires of length L is bent in the form of a circular loop and ...

One of the two identical conducting wires of length L is bent in the form of a circular loop and the other one into a circular coil of N identical turns. If the same
- current is passed in both, the ratio of the magnetic field at the centre of the loop (B_L) to that at the centre of the coil (B_C. ), i.e. B_L/B_C will be [JEE Main-2019 (January)]
(1) N
(2) 1/ N
(3) N^2
(4) 1/ N^2

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